Social distancing rules have been eased to allow places of worship to organise Easter service broadcasts and webcasts.

But the public faithful will remain shut out of celebrations with ceremonies taking place in near-empty places of worship across the nation.

Anglican Archbishop Glenn Davies will lead prayers for health workers in a televised Easter service at St Andrew's Cathedral.

Sydney Dean Kanishka Raffel will preach from the pulpit book-ended by songs performed by the trimmed-down Cathedral choir.

The service will air at 9am across Australia on Sunday, on Channel 9.

St Andrew's Sunday mass normally attracts about 400 people, according to Dean Raffel.

Tourists, the lapsed devout and irregular church goers swell those numbers into the thousands for Easter, he added.

And via social media, Dr Davies' is expected to lure many more, curious ears.

"I think people are a bit shy," Dean Raffel told AAP.

"They're not ready to make the commitment with their feet but may want to dip their toe in online."

Just around the corner, Catholic Archbishop Anthony Fisher will be broadcast preaching Good Friday and Easter Sunday mass on Channel 7

The Archbishop kicked off Holy Week - which marks the end of Lent and climaxes with the resurrection of Christ on Easter Sunday - with a livestream on Palm Sunday.

To talk about the resurrection and its message of hope might seem crass when people were suffering due to the coronavirus, Archbishop Fisher said in a video.

But the nation has survived plagues before.

"Some have been devastating. But eventually they pass. After Good Friday comes Easter, after the tomb new life," he said.

To enable filming, the prime minister announced on Friday places of worship would be designated workplaces, allowing for assistants, a cantor and other clergy to attend on the day.

Scott Morrison's own church, the Pentecostal Horizon's, will be posting a string of videos online over the long weekend while Orthodox Churches have switched to live-streaming mass in the lead up to Pascha on April 19.

Australian Greek Orthodox were the first church to lock down their congregation in response to the COVID-19 threat.

Congregations will miss out on receiving the sacraments and the roast lamb will be a lot smaller this year with social distancing restricting the Easter Sunday feast to just immediate family.

But all denominations have had to give up some pageantry to fit in to the digital, virus-struck world.

The lack of processions, parades and for many - family gatherings - makes the sermon more important than usual, said Dean Raffel.

"Maybe what will happen, with the packaging stripped away, the message will have greater clarity and power...the real heart of what's being said can come through."

Australian Associated Press